Updates to Team Fortress 2, Counter-Strike: Source and Day of Defeat: Source have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Source Engine Changes (CS:S, DoD:S, TF2)
Disabled clients loading server plug-ins unless the plug-ins are signed by Steam or the client is running in insecure mode.
Added a checkbox to the Options->Audio dialog to control muting the audio when the game window is in the background.

Updates to Counter-Strike: Source Beta have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Counter-Strike Source Beta
Reinstated ammo cost.
Added client ConVar cl_autobuyammo ( default 7 ) which determines how much ammo to attempt to buy with guns.
1-7: The ammo buttons in the Buy menu are hidden. ConCommands buyammo1 and buyammo2 are still active.
0: Ammo is not automatically purchased and the ammo buttons in the Buy me... [read more]

Updates to Counter-Strike: Source, Team Fortress 2 and Day of Defeat: Source have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Source Engine Changes (CS:S, DoD:S, TF2)
Fixed a crash on startup with some video drivers
Fixed a bug where the speaker config would be lost on Windows Vista / 7
Fixed a case where alt-tab would stop rendering models
Made the &#145;X&#146; that closes the achievements screen visible by default i... [read more]

Updates to Counter-Strike: Source Beta have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Counter-Strike Source Beta
Fixed a memory leak in the dedicated server.
Fixed a problem that could cause the crosshair to expand briefly after the trigger is released.
Made crosshair scale independently of framerate, matching the old behavior at 100 fps. This does not affect actual recoil, fire rate, or spread &#150; only the expan... [read more]